THE SOURCE CODE VOLUME IV How Ancient Minds Built the Modern World 1900 - 2000 AD THE 20TH CENTURY Quantum Mechanics to the Internet

A person born in 1900 entered a world of horse-drawn carriages, candlelight, and telegraphs. A world where most people died within fifty miles of their birthplace, infectious disease killed children routinely, and human knowledge lived only in libraries accessible to elites.That same person, living to 2000, exited a world where human footprints marked the Moon.The Source Code, Volume IV: The 20th ...